Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_nodes/rgthree-comfy/src_web/comfyui/services/config_service.ts

@@ -0,0 +1,40 @@
+// @ts-ignore
+import {rgthreeConfig} from "rgthree/config.js";
+import {getObjectValue, setObjectValue} from "rgthree/common/shared_utils.js";
+import {rgthreeApi} from "rgthree/common/rgthree_api.js";
+
+/**
+ * A singleton service exported as `SERVICE` to handle configuration routines.
+ */
+class ConfigService extends EventTarget {
+  getConfigValue(key: string, def?: any) {
+    return getObjectValue(rgthreeConfig, key, def);
+  }
+
+  getFeatureValue(key: string, def?: any) {
+    key = "features." + key.replace(/^features\./, "");
+    return getObjectValue(rgthreeConfig, key, def);
+  }
+
+  /**
+   * Given an object of key:value changes it will send to the server and wait for a successful
+   * response before setting the values on the local rgthreeConfig.
+   */
+  async setConfigValues(changed: {[key: string]: any}) {
+    const body = new FormData();
+    body.append("json", JSON.stringify(changed));
+    const response = await rgthreeApi.fetchJson("/config", {method: "POST", body});
+    if (response.status === "ok") {
+      for (const [key, value] of Object.entries(changed)) {
+        setObjectValue(rgthreeConfig, key, value);
+        this.dispatchEvent(new CustomEvent("config-change", {detail: {key, value}}));
+      }
+    } else {
+      return false;
+    }
+    return true;
+  }
+}
+
+/** The ConfigService singleton. */
+export const SERVICE = new ConfigService();